enveloped Hep-C virus

Amberose wrote:
>> I am trying to understand the source of the enevelope around the Hep-C
> virus. My 2nd year books don't give enough info. The info I have is:1. +
> RNA virus, 2. buds from endoplasmic reticulum, 3. Flaviviridae family.
> Q. 1. Does it code for some part of the envelope? ie Hemagglutinate
> Q. 2. How does it keep mutating it's envelope?
> Q. 3. When the host cell dies from excessive budding does it release any
> markers that would lodge in the envelope to alert neighboring cells of
> impending doom and let the immune system identify the intruder?
> Q. 4. How does the virus elude the immune system? Does it have anything
> to do with the envelope?